Re: CD writing in future Linux (stirring up a hornets' nest)

From: Olivier Galibert
Date: Wed Feb 15 2006 - 11:38:12 EST


On Wed, Feb 15, 2006 at 04:44:38PM +0100, Jan Engelhardt wrote:
> >
> >Of course not. Here's one line of bash that gets you the major:minor
> >file of every block device in the system:
> > block_devices="$(echo /sys/block/*/dev /sys/block/*/*/dev)"
> >
> When was that added? /sys/block/hdc/device/ only has "power", "block",
> "bus" and "driver" here on a 2.6.13-rc3.

No, it's /sys/block/hdc/dev (22:0 here on 2.6.12). Makes sense to
have it there if you have multiple driver-generated device node
entries for the same physical device. I'm thinking of usb
multi-function devices here in particular (disk+bluetooth, video+hid
[dvb+remote control that is]).

OG.
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